EP4186197A1 - Cross-interface interference management - Google Patents

Cross-interface interference management

Info

Publication number
EP4186197A1
EP4186197A1 EP21755173.8A EP21755173A EP4186197A1 EP 4186197 A1 EP4186197 A1 EP 4186197A1 EP 21755173 A EP21755173 A EP 21755173A EP 4186197 A1 EP4186197 A1 EP 4186197A1
Authority
EP
European Patent Office
Prior art keywords
interference
communication link
channel
pmi
interference channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21755173.8A
Other languages
German (de)
English (en)
French (fr)
Inventor
Seyed Ali Akbar Fakoorian
Wei Yang
Seyedkianoush HOSSEINI
Hwan Joon Kwon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of EP4186197A1 publication Critical patent/EP4186197A1/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/345—Interference values
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
EP21755173.8A 2020-07-23 2021-07-19 Cross-interface interference management Pending EP4186197A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202063055831P 2020-07-23 2020-07-23
US202063058468P 2020-07-29 2020-07-29
US17/305,943 US11533088B2 (en) 2020-07-23 2021-07-16 Cross-interface interference management
PCT/US2021/042240 WO2022020263A1 (en) 2020-07-23 2021-07-19 Cross-interface interference management

Publications (1)

Publication Number Publication Date
EP4186197A1 true EP4186197A1 (en) 2023-05-31

Family

ID=79688786

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21755173.8A Pending EP4186197A1 (en) 2020-07-23 2021-07-19 Cross-interface interference management

Country Status (4)

Country Link
US (1) US11533088B2 (zh)
EP (1) EP4186197A1 (zh)
CN (1) CN116158015A (zh)
WO (1) WO2022020263A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11973583B2 (en) * 2020-11-12 2024-04-30 Korea Advanced Institute Of Science And Technology Communication method of heterogeneous distributed wireless network system, and heterogeneous distributed wireless network system
US20220416853A1 (en) * 2021-06-29 2022-12-29 Cisco Technology, Inc. Multi-user mimo peer-to-peer transmission
US11901931B2 (en) * 2021-09-09 2024-02-13 Qualcomm Incorporated Transmit diversity power leakage detection and filtering in antenna compensator power detector

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8331965B2 (en) * 2009-06-12 2012-12-11 Qualcomm Incorporated Methods and apparatus for controlling resource use in a wireless communications system
WO2010148550A1 (en) * 2009-06-22 2010-12-29 Huawei Technologies Co., Ltd. A method and system for assigning reference signals in multi antenna context
CN102948186A (zh) * 2010-06-21 2013-02-27 富士通株式会社 参考信号发送方法、信道质量估计方法、移动台、基站和无线通信系统
WO2017147904A1 (zh) * 2016-03-04 2017-09-08 华为技术有限公司 消息发送方法和装置
CN109479245B (zh) * 2016-08-12 2021-05-14 华为技术有限公司 功率控制方法、装置、终端及网络设备
CN111357334A (zh) * 2017-11-17 2020-06-30 联想（新加坡）私人有限公司 多个上行链路传输的功率控制
CN112534892A (zh) * 2018-08-09 2021-03-19 联想（新加坡）私人有限公司 上行链路传输功率分配
CN110972110B (zh) 2018-09-29 2022-07-29 上海朗帛通信技术有限公司 一种被用于无线通信节点中的方法和装置

Also Published As

Publication number Publication date
US11533088B2 (en) 2022-12-20
US20220029670A1 (en) 2022-01-27
WO2022020263A1 (en) 2022-01-27
CN116158015A (zh) 2023-05-23

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